<html>

<script type='text/javascript'>
<!--
function FecharJanela()
{
ww = window.open(window.location, "_self");
ww.close();
}
-->
</script>
    <body onload="pergunta">
        <div style="width: 500px; height: 100px; position: absolute; background-color: #e6e2e2; margin-left: 50%; left: -250px; border: 1px solid;">
            <div style="text-align: center; color: #ff0000; width: 500px;">
                <br><font face="Tahoma" size="2">${mensagem}
                    <br><br><a href="javascript:void()" onclick="FecharJanela()">Fechar[x]</a>
                </font></div>
        </div>
    </body>
</html>